diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIADataStream.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIADataStream.cpp
index e0e1b2712467..5c545c7eb101 100644
--- a/llvm/lib/DebugInfo/PDB/DIA/DIADataStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIADataStream.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/DIA/DIADataStream.h"
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/Support/ConvertUTF.h"
 
 using namespace llvm;
diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
index 21b9a7aef82a..0651d7364cca 100644
--- a/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
@@ -7,9 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h"
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h"
-#include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h"
 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
 #include "llvm/DebugInfo/PDB/PDBExtras.h"
 #include "llvm/Support/ConvertUTF.h"
diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp
index 9600a1972ea5..762dda6caf54 100644
--- a/llvm/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIASourceFile.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/DIA/DIASourceFile.h"
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/DebugInfo/PDB/ConcreteSymbolEnumerator.h"
 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h"
 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"